Acanthus spinosus L.
Data source(s):
  • Cullen, J., et al. 2000. The European Garden Flora: Vol.6. Cambridge University Press 739 pp.
  • Walters, S.M., et al. 1989. The European Garden Flora: Vol.3. Dicotyledons (Part 1). Cambridge: Cambridge University Press xv-474 pp., p.283